CN107701209A - A kind of mine down-hole power transformation chamber and construction method - Google Patents
A kind of mine down-hole power transformation chamber and construction method Download PDFInfo
- Publication number
- CN107701209A CN107701209A CN201710993153.4A CN201710993153A CN107701209A CN 107701209 A CN107701209 A CN 107701209A CN 201710993153 A CN201710993153 A CN 201710993153A CN 107701209 A CN107701209 A CN 107701209A
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- Prior art keywords
- chamber
- power transformation
- air
- barricade
- transformation chamber
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- 230000009466 transformation Effects 0.000 title claims abstract description 68
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 239000011449 brick Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D13/00—Large underground chambers; Methods or apparatus for making them
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
A kind of mine down-hole power transformation chamber and construction method, including chamber sealing barricade, automatic control unit, axial flow blower, air cleaning unit, the power transformation chamber is totally enclosed type space, chamber sealing barricade is being provided with drive joint, chamber sealing barricade middle and lower part is provided with chamber hermatic door, the top of chamber sealing barricade is provided with air outlet, and the bottom of chamber sealing barricade is provided with air inlet；Air cleaning unit is arranged at the porch of axial flow blower, and the outlet of axial flow blower is connected to air inlet；Automatic control unit is connected with air cleaning unit.Pass through the implementation of the present invention, the indoor environment of power transformation chamber is set to disclosure satisfy that the installment work environmental requirement of mine down-hole precise electric equipment, it can realize unattended and automatically control, and control system involved in the present invention is safe, operating cost is low, reasonably it can be applied and be implemented in the mine down-hole mining environment of Various Complex, there is good promotion prospect.
Description
Technical field
The invention belongs to mining technical field, it is related to the chamber of transformer, specially a kind of mine down-hole power transformation
Chamber and construction method.
Background technology
Currently in the ore mining process in mine, generally require to use a variety of electric equipments, and some electric equipments pair
The requirement of working environment is higher, its requirement can not be met in mine, by taking frequency converter as an example, it is necessary to environment temperature 0-
40 °, do not allow electric conductivity dust be present in working environment, relative humidity is less than 95%, in addition, frequency converter answers right angle setting, far
From vibration, radiating and environment is condensed, installation surface is smooth, firm, to leave enough airspaces around module, and for
Working environment in mine, its requirement can not be met.Domestic and international underground chamber environmental Kuznets Curves form mainly have barricade isolation,
Ventilation, indoor location are turned on the aircondition.In the case of blower fan power transformation chamber local environment is often waste air road, above method effect
Poor, reliability is low.Therefore, how to effectively control Underground Fan power transformation chamber environment, it is allowed to that air quality is good, environment temperature
Suitably, reliability is high, cost is low, automaticity is high, is to ensure mine ventilation equipment normal operation urgent problem.Together
When, it is safe and reliable, unattended, automatically control, it is the emphasis for building green intelligent modernization mine research.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of mine down-hole power transformation chamber and construction method.
The present invention is achieved by the following technical programs.
A kind of mine down-hole power transformation chamber provided by the invention, including chamber sealing barricade, automatic control unit, axle stream wind
Machine, air cleaning unit, the power transformation chamber are totally enclosed type space, and chamber sealing barricade, cave are being provided with drive joint
Room sealing barricade middle and lower part is provided with chamber hermatic door, and the top of chamber sealing barricade is provided with air outlet, and chamber seals the bottom of barricade
Portion is provided with air inlet；Air cleaning unit is arranged at the porch of axial flow blower, and the outlet of axial flow blower is connected to air inlet；From
Dynamic control unit is connected with air cleaning unit.
Also include blast pipe, the outlet of blast pipe one end connection of axial flow fan, the other end enters in chamber by air inlet.
Also include air-out filter, air-out filter is arranged at the outside of chamber sealing barricade, is connected with air outlet.
Also include indoor electric equipment, indoor electric equipment is arranged at the bottom in power transformation chamber.
The automatic control unit is arranged in power transformation chamber, and axial flow blower is arranged at the outside of chamber sealing barricade, from
The control wiring of dynamic control unit is connected after chamber seals barricade with air cleaning unit.
The blast pipe uses welded still pipe, external diameter 150mm, thickness 4.5mm.
The flow parameter of the axial flow blower is 100-190m3/h。
A kind of construction method of mine down-hole power transformation chamber, comprises the following steps：
Step 1：The digging of power transformation chamber is carried out at correct position of the use demand in drive of underground according to transformer
Pick, makes one side and the drive UNICOM of power transformation chamber, remaining each face is sealing surface；
Step 2：In power transformation chamber and drive connection position using the brick chamber sealing barricade of cement, barricade is sealed in chamber
Middle and lower part set chamber hermatic door, in chamber sealing barricade bottom set air inlet, with chamber seal gear coping set
Put air outlet；
Step 3：Blast pipe is installed in air inlet, makes one end of blast pipe and the air outlet connection juxtaposition of axial flow blower
In in drive, the other end of blast pipe is passed through at power transformation chamber bottom 1/2.
Step 4：Air cleaning unit is installed in the porch of axial flow blower, and air-out filtering dress is installed at air outlet
Put；
Step 5：Automatic control unit is set in power transformation chamber, the controlling cable of automatic control unit is passed through chamber
It is connected after sealing barricade with air cleaning unit；
Step 6：In power transformation cave indoor location indoor electric equipment, the control parameter of automatic control unit is set, closes cave
Room hermatic door, into the environment automatic control state of power transformation chamber.
The beneficial effects of the present invention are：By the implementation of the present invention, the indoor environment of power transformation chamber is set to disclosure satisfy that ore deposit
The installment work environmental requirement of mountain underground precise electric equipment, ensure the long period safety of underground precise electric equipment and reliable fortune
OK, it is possible to achieve it is unattended and automatically control, and control system involved in the present invention is safe, operating cost
It is low, reasonably it can be applied and be implemented in the mine down-hole mining environment of Various Complex, there is good promotion prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the chamber sealing barrier wall structure schematic diagram of the present invention；
Fig. 3 is the power transformation chamber position view of the present invention；
In figure：1- chambers sealing barricade, 11- chambers hermatic door, 12- air outlets, 121- air-out filter, 13- air intakes
Mouth, 131- blast pipes, 2- automatic control units, 21- axial flow blowers, 22- air cleaning units, 3- indoor electric equipments.
Embodiment
Be described further below technical scheme, but claimed scope be not limited to it is described.
As shown in Figure 1-Figure 3, a kind of mine down-hole power transformation chamber, including chamber sealing barricade 1, automatic control unit 2, axle
Flow fan 21, air cleaning unit 22, the power transformation chamber are totally enclosed type space, are being sealed with drive joint provided with chamber
Barricade 1, chamber sealing barricade 1 middle and lower part are provided with chamber hermatic door 11, and the top of chamber sealing barricade 1 is provided with air outlet 12, cave
The bottom of room sealing barricade 1 is provided with air inlet 13；Air cleaning unit 22 is arranged at the porch of axial flow blower 21, axial flow blower
21 outlet is connected to air inlet 13；Automatic control unit 2 is connected with air cleaning unit 22.
Air cleaning unit 22 is installed at air inlet 13, the air for making to enter in power transformation chamber filters off dust, impurity etc.
Particulate matter, prevent it enters in power transformation chamber from being adversely affected to the electrical work environment of interior.
Also include blast pipe 131, the outlet of one end connection of axial flow fan 21 of blast pipe 131, the other end passes through air inlet 13
Into in chamber.
Also include air-out filter 121, air-out filter 121 is arranged at the outside of chamber sealing barricade 1, with air-out
Mouth 12 connects.
Air-out filter 121 is set at air outlet 12, can be very good to filter room air, prevent in cave
The impurity such as electrostatic particle caused by interior enter in drive, and the air ambient under mine is adversely affected.
Also include indoor electric equipment 3, indoor electric equipment 3 is arranged at the bottom in power transformation chamber.
The automatic control unit 2 is arranged in power transformation chamber, and axial flow blower 21 is arranged at the outer of chamber sealing barricade 1
Side, the control wiring of automatic control unit 2 are connected after chamber seals barricade 1 with air cleaning unit 22.
Automatic control unit 2 is arranged in power transformation chamber, can be good at ensureing the work of automatic control unit itself
Environment, good working order is at, prevents from controlling failure caused by the factors such as its working environment.
The blast pipe 131 uses welded still pipe, external diameter 150mm, thickness 4.5mm.
The flow parameter of the axial flow blower 21 is 100-190m3/h。
The flow of axial flow blower 21 directly influences the air flow rate in power transformation chamber, when power transformation chamber careat
Precise electric equipment caloric value excessive or installed should suitably increase its flow when larger, to meet in power transformation chamber
Temperature control requirement.
A kind of construction method of mine down-hole power transformation chamber, comprises the following steps：
Step 1：The digging of power transformation chamber is carried out at correct position of the use demand in drive of underground according to transformer
Pick, makes one side and the drive UNICOM of power transformation chamber, remaining each face is sealing surface；
Step 2：In power transformation chamber and drive connection position using the brick chamber sealing barricade 1 of cement, barricade is sealed in chamber
1 middle and lower part sets chamber hermatic door 11, and air inlet 13 is set in the bottom of chamber sealing barricade 1, with chamber sealing barricade 1
Top sets air outlet 12；
Step 3：Blast pipe 131 is installed at air inlet 13, makes one end of blast pipe 131 and the air-out of axial flow blower 21
Mouth connection is placed in drive, and the other end of blast pipe 131 is passed through at power transformation chamber bottom 1/2.
Now can also be close with being filled at the connection gap of air inlet 13 by blast pipe 131 by using concrete
Close, obtain preferably close isolation effect.
Step 4：Air cleaning unit 22 is installed in the porch of axial flow blower 21, and air-out is installed at air outlet 12
Filter 121；
Step 5：Automatic control unit 2 is set in power transformation chamber, the controlling cable of automatic control unit 2 is passed through cave
It is connected after room sealing barricade 1 with air cleaning unit 22；
Step 6：In power transformation cave indoor location indoor electric equipment 3, the control parameter of automatic control unit 2 is set, is closed
Chamber hermatic door 11, into the environment automatic control state of power transformation chamber.
During specific setting, power transformation chamber of the present invention is in main waste air road side, main waste air road TSP：217μg/m3,
Secondary waste air road TSP：149μg/m3, temperature：18-22 DEG C, surrounding air is dirty.Power transformation chamber indoor environment is：TSP is (total to suspend
Particulate matter)：19 micrograms/cubic meter (with fresh air), relative humidity：51.8%th, air intake flow：0-190m3/ h, indoor environment temperature
25-30 DEG C of degree, air quality is good, meets delicate electrical equipment installation environment requirement.
During work, when cave indoor environment temperature is higher than design temperature 30 DEG C (adjustable), automatic control unit 2 controls air
Purifier 22 starts, and underground air enters power transformation chamber by air cleaning unit 22, and power transformation chamber inner air pressure is higher than
Outside chamber, the air on power transformation chamber top is discharged by air-out filter 121 due to pressure differential.Oil smoke, dust etc. are by air
Purifier filters out, and meets to require into the air quality in chamber.It is 18-22 due to entering the air themperature in chamber
DEG C, flow 100-190m3/ h (air intake flow can be selected as needed), causes the environment temperature in chamber constantly to decline.When
When cave indoor environment temperature is less than design temperature 25 DEG C (adjustable), automatic control unit 2 controls air cleaning unit 22 to stop work
Make, power transformation chamber is in isolation with drive, and waste air will not enter chamber, and cave IAQ will not change, due to electricity
Gas equipment cooling acts on, and power transformation chamber is relatively closed, and cave indoor environment temperature can constantly rise.Pass through power transformation chamber indoor environment
The change control purifier start and stop of temperature, realize that cave IAQ and environment temperature are in good controllable state all the time,
Ensure delicate electrical equipment normal operation in chamber.
By the implementation of the present invention, the indoor environment of power transformation chamber is set to disclosure satisfy that the peace of mine down-hole precise electric equipment
Fill operating environment requirements, ensure underground precise electric equipment long period safe and reliable operation, it is possible to achieve it is unattended with
And automatically control, and control system involved in the present invention is safe, operating cost is low, and can be in the mine of Various Complex
Reasonably applied and implemented in underground mining environment, there is good promotion prospect.
Claims (8)
- A kind of 1. mine down-hole power transformation chamber, it is characterised in that：Including chamber sealing barricade (1), automatic control unit (2), axle Flow fan (21), air cleaning unit (22), the power transformation chamber are totally enclosed type space, and chamber is being provided with drive joint Barricade (1) is sealed, chamber sealing barricade (1) middle and lower part is provided with chamber hermatic door (11), and the top of chamber sealing barricade (1) is provided with Air outlet (12), the bottom of chamber sealing barricade (1) are provided with air inlet (13)；Air cleaning unit (22) is arranged at axial flow blower (21) porch, the outlet of axial flow blower (21) are connected to air inlet (13)；Automatic control unit (2) and air cleaning unit (22) connect.
- 2. mine down-hole power transformation chamber as claimed in claim 1, it is characterised in that：Also include blast pipe (131), blast pipe (131) outlet of one end connection of axial flow fan (21), the other end enter in chamber by air inlet (13).
- 3. mine down-hole power transformation chamber as claimed in claim 1, it is characterised in that：Also include air-out filter (121), go out Wind filter (121) is arranged at the outside of chamber sealing barricade (1), is connected with air outlet (12).
- 4. mine down-hole power transformation chamber as claimed in claim 1, it is characterised in that：Also include indoor electric equipment (3), it is indoor Electrical equipment (3) is arranged at the bottom in power transformation chamber.
- 5. mine down-hole power transformation chamber as claimed in claim 1, it is characterised in that：The automatic control unit (2) is arranged at In power transformation chamber, axial flow blower (21) is arranged at the outside of chamber sealing barricade (1), the control wiring of automatic control unit (2) It is connected after chamber sealing barricade (1) with air cleaning unit (22).
- 6. mine down-hole power transformation chamber as claimed in claim 2, it is characterised in that：The blast pipe (131) uses welding steel Pipe, external diameter 150mm, thickness 4.5mm.
- 7. mine down-hole power transformation chamber as claimed in claim 1, it is characterised in that：The flow parameter of the axial flow blower (21) For 100-190m3/h。
- 8. a kind of construction method of mine down-hole power transformation chamber, it is characterised in that comprise the following steps：Step 1：The excavation of power transformation chamber is carried out at correct position of the use demand in drive of underground according to transformer, Make one side and the drive UNICOM of power transformation chamber, remaining each face is sealing surface；Step 2：In power transformation chamber and drive connection position using the brick chamber sealing barricade (1) of cement, barricade is sealed in chamber (1) middle and lower part sets chamber hermatic door (11), and air inlet (13) is set in the bottom of chamber sealing barricade (1), close with chamber The top of block wall (1) sets air outlet (12)；Step 3：Blast pipe (131) is installed at air inlet (13) place, makes one end and the axial flow blower (21) of blast pipe (131) Air outlet connection is placed in drive, and the other end of blast pipe (131) is passed through at power transformation chamber bottom 1/2.Step 4：In the porch of axial flow blower (21) installation air cleaning unit (22), and installed out at air outlet (12) place Wind filter (121)；Step 5：Automatic control unit (2) is set in power transformation chamber, the controlling cable of automatic control unit (2) is passed through cave Room sealing barricade (1) is connected with air cleaning unit (22) afterwards；Step 6：In power transformation cave indoor location indoor electric equipment (3), the control parameter of setting automatic control unit (2), close Chamber hermatic door (11), into the environment automatic control state of power transformation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993153.4A CN107701209A (en) | 2017-10-23 | 2017-10-23 | A kind of mine down-hole power transformation chamber and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993153.4A CN107701209A (en) | 2017-10-23 | 2017-10-23 | A kind of mine down-hole power transformation chamber and construction method |
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| Publication Number | Publication Date |
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| CN107701209A true CN107701209A (en) | 2018-02-16 |
Family
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|---|---|---|---|
| CN201710993153.4A Pending CN107701209A (en) | 2017-10-23 | 2017-10-23 | A kind of mine down-hole power transformation chamber and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140269A (en) * | 2019-12-28 | 2020-05-12 | 河北钢铁集团矿业有限公司 | Multi-working-face single-head tunneling ventilation system for metal underground mine infrastructure period |
| CN115253536A (en) * | 2022-04-18 | 2022-11-01 | 陕煤集团神木红柳林矿业有限公司 | Preparation method of dust-free space under mine |
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| CN115253536A (en) * | 2022-04-18 | 2022-11-01 | 陕煤集团神木红柳林矿业有限公司 | Preparation method of dust-free space under mine |
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Application publication date: 20180216 |
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